Rubber crawler



FIG. 1 is a front view of a rubber crawler showing my new design.

FIG. 2 is a perspective view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a left side view thereof; and,

FIG. 6 is a cross-sectional view taken along the line 6—6 in FIG. 1.

The broken lines in the drawing figures show environmental structure only and form no part of the claimed design. The dash-dot-dash line in FIGS. 1 and 2 shows a border between claimed and unclaimed subject matter. 

The ornamental design for a rubber crawler, as shown and described. 